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dea8d5ce46
To enable non-persistent contexts, we require a means of cancelling any inflight work from that context. This is first done "gracefully" by using preemption to kick the active context off the engine, and then forcefully by resetting the engine if it is active. If we are unable to reset the engine to remove hostile userspace, we should not allow userspace to opt into using non-persistent contexts. If the per-engine reset fails, we still do a full GPU reset, but that is rare and usually indicative of much deeper issues. The damage is already done. However, the goal of the interface to allow long running compute jobs without causing collateral damage elsewhere, and if we are unable to support that we should make that known by not providing the interface (and falsely pretending we can). Fixes: |
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| .. | ||
| selftests | ||
| i915_gem_busy.c | ||
| i915_gem_clflush.c | ||
| i915_gem_clflush.h | ||
| i915_gem_client_blt.c | ||
| i915_gem_client_blt.h | ||
| i915_gem_context_types.h | ||
| i915_gem_context.c | ||
| i915_gem_context.h | ||
| i915_gem_dmabuf.c | ||
| i915_gem_domain.c | ||
| i915_gem_execbuffer.c | ||
| i915_gem_fence.c | ||
| i915_gem_internal.c | ||
| i915_gem_ioctls.h | ||
| i915_gem_lmem.c | ||
| i915_gem_lmem.h | ||
| i915_gem_mman.c | ||
| i915_gem_mman.h | ||
| i915_gem_object_blt.c | ||
| i915_gem_object_blt.h | ||
| i915_gem_object_types.h | ||
| i915_gem_object.c | ||
| i915_gem_object.h | ||
| i915_gem_pages.c | ||
| i915_gem_phys.c | ||
| i915_gem_pm.c | ||
| i915_gem_pm.h | ||
| i915_gem_region.c | ||
| i915_gem_region.h | ||
| i915_gem_shmem.c | ||
| i915_gem_shrinker.c | ||
| i915_gem_shrinker.h | ||
| i915_gem_stolen.c | ||
| i915_gem_stolen.h | ||
| i915_gem_throttle.c | ||
| i915_gem_tiling.c | ||
| i915_gem_userptr.c | ||
| i915_gem_wait.c | ||
| i915_gemfs.c | ||
| i915_gemfs.h | ||